EP3066481A4 - Systems and methods for insulation impedance monitoring - Google Patents

Systems and methods for insulation impedance monitoring Download PDF

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Publication number
EP3066481A4
EP3066481A4 EP13897122.1A EP13897122A EP3066481A4 EP 3066481 A4 EP3066481 A4 EP 3066481A4 EP 13897122 A EP13897122 A EP 13897122A EP 3066481 A4 EP3066481 A4 EP 3066481A4
Authority
EP
European Patent Office
Prior art keywords
systems
methods
impedance monitoring
insulation impedance
insulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13897122.1A
Other languages
German (de)
French (fr)
Other versions
EP3066481B1 (en
EP3066481A1 (en
Inventor
Emanuel Serban
Cosmin PONDICHE-MURESAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Solar Inverters USA Inc
Original Assignee
Schneider Electric Solar Inverters USA Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schneider Electric Solar Inverters USA Inc filed Critical Schneider Electric Solar Inverters USA Inc
Publication of EP3066481A1 publication Critical patent/EP3066481A1/en
Publication of EP3066481A4 publication Critical patent/EP3066481A4/en
Application granted granted Critical
Publication of EP3066481B1 publication Critical patent/EP3066481B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/08—Locating faults in cables, transmission lines, or networks
    • G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
    • G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/157—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
EP13897122.1A 2013-11-06 2013-11-06 Systems and methods for insulation impedance monitoring Active EP3066481B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2013/068760 WO2015069238A1 (en) 2013-11-06 2013-11-06 Systems and methods for insulation impedance monitoring

Publications (3)

Publication Number Publication Date
EP3066481A1 EP3066481A1 (en) 2016-09-14
EP3066481A4 true EP3066481A4 (en) 2017-07-26
EP3066481B1 EP3066481B1 (en) 2021-01-06

Family

ID=53041853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13897122.1A Active EP3066481B1 (en) 2013-11-06 2013-11-06 Systems and methods for insulation impedance monitoring

Country Status (4)

Country Link
US (1) US10859623B2 (en)
EP (1) EP3066481B1 (en)
CN (1) CN105683765B (en)
WO (1) WO2015069238A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11258261B2 (en) * 2018-05-10 2022-02-22 Solaredge Technologies Ltd. Systems and methods to increase the reliability and the service life time of photovoltaic (PV) modules
EP3567692B1 (en) * 2018-05-10 2021-09-29 Solaredge Technologies Ltd. Apparatus to increase the reliability and the service life time of photovoltaic (pv) modules
CN110912398B (en) * 2018-09-18 2021-09-28 台达电子工业股份有限公司 Power conversion system with abnormal energy protection and operation method thereof
CN110346644B (en) * 2019-07-24 2024-04-12 爱士惟新能源技术(扬中)有限公司 Dual-level ground insulation impedance detection circuit, self-checking method and measuring method thereof
CN110456154B (en) * 2019-07-26 2021-09-14 华为技术有限公司 Insulation resistance detection circuit and method
CN112444706A (en) * 2019-08-28 2021-03-05 台达电子企业管理（上海）有限公司 Insulation monitoring device applied to power system and power system
CN112444760B (en) * 2020-10-30 2023-08-22 神华铁路装备有限责任公司 Locomotive electrical insulation detection equipment, method, device and storage medium
CN112595895A (en) * 2020-12-02 2021-04-02 爱士惟新能源技术(江苏)有限公司 Insulation impedance detection circuit and method of photovoltaic inverter
CN115704846A (en) * 2021-08-03 2023-02-17 台达电子企业管理（上海）有限公司 Insulation state detection method and device for conversion system

Citations (6)

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Publication number Priority date Publication date Assignee Title
DE102005030907A1 (en) * 2005-06-30 2007-01-11 Pairan Elektronik Gmbh Multiple string solar generator isolation resistance test procedure connects plus and minus poles of all other strings to measure string under test
US20070176604A1 (en) * 2006-01-30 2007-08-02 Naohisa Morimoto Ground-fault resistance measurement circuit and ground-fault detection circuit
EP2333568A1 (en) * 2009-12-10 2011-06-15 Johnson Controls Saft Advanced Power Solutions LLC Determination of insulation resistance of an electric DC circuit
WO2012120683A1 (en) * 2011-03-10 2012-09-13 三菱電機株式会社 Insulation resistance detection circuit
DE102011007222A1 (en) * 2011-04-12 2012-10-18 Kaco New Energy Gmbh Inverter circuit, inverter and photovoltaic system
WO2013018411A1 (en) * 2011-07-29 2013-02-07 三洋電機株式会社 Motor drive circuit, motor device, and moving vehicle

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FR2616228B1 (en) 1987-06-04 1989-09-08 Merlin Gerin DEVICE FOR MONITORING AND MEASURING THE INSULATION OF AN ELECTRICAL NETWORK
JP2943133B2 (en) 1994-04-30 1999-08-30 キヤノン株式会社 Insulation state measuring method, insulation state determination device, and distributed power generation device using the same
CN1280301A (en) * 1999-07-09 2001-01-17 华仪电子股份有限公司 Method and device for output open circuit detection of DC puncture test and insulaing impedance test
US20030030446A1 (en) * 2000-09-28 2003-02-13 Simon Wang Method for providing compensation current and test device using the same
CN1494658A (en) 2000-11-08 2004-05-05 通用电气公司 Apparatus and method for detecting and calculating ground fault resistance
FR2842663B1 (en) * 2002-07-18 2004-09-10 Schneider Electric Ind Sa DEVICE FOR MONITORING NEUTRAL AND EARTH BREAKAGE, AND ELECTRICAL SWITCHING APPARATUS COMPRISING SUCH A DEVICE
DE102006022845B4 (en) * 2005-05-23 2016-01-07 Infineon Technologies Ag A drive circuit for a switch unit of a clocked power supply circuit and resonance converter
US7586840B2 (en) * 2005-05-25 2009-09-08 Cisco Technology, Inc. Method and apparatus for detecting and fixing faults in an inline-power capable ethernet system
US8400017B2 (en) * 2008-09-27 2013-03-19 Witricity Corporation Wireless energy transfer for computer peripheral applications
US9318922B2 (en) * 2008-09-27 2016-04-19 Witricity Corporation Mechanically removable wireless power vehicle seat assembly
US8466583B2 (en) 2008-09-27 2013-06-18 Witricity Corporation Tunable wireless energy transfer for outdoor lighting applications
US20170053736A9 (en) * 2008-09-27 2017-02-23 Witricity Corporation Wireless energy transfer converters
DE102009048294A1 (en) * 2009-05-19 2011-01-13 Abb Ag Method and device for monitoring the insulation of unearthed electrical DC and AC networks
US8335062B2 (en) * 2010-03-08 2012-12-18 Pass & Seymour, Inc. Protective device for an electrical supply facility
DE102010011476A1 (en) 2010-03-16 2011-09-22 Adensis Gmbh Insulation test method for large photovoltaic plants
DE102010039692A1 (en) 2010-08-24 2012-03-01 Dipl.-Ing. Walther Bender Gmbh & Co. Kg Apparatus for monitoring the insulation of a non-grounded direct voltage network, in particular a photovoltaic system, and installation with such a device
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DE102005030907A1 (en) * 2005-06-30 2007-01-11 Pairan Elektronik Gmbh Multiple string solar generator isolation resistance test procedure connects plus and minus poles of all other strings to measure string under test
US20070176604A1 (en) * 2006-01-30 2007-08-02 Naohisa Morimoto Ground-fault resistance measurement circuit and ground-fault detection circuit
EP2333568A1 (en) * 2009-12-10 2011-06-15 Johnson Controls Saft Advanced Power Solutions LLC Determination of insulation resistance of an electric DC circuit
WO2012120683A1 (en) * 2011-03-10 2012-09-13 三菱電機株式会社 Insulation resistance detection circuit
DE102011007222A1 (en) * 2011-04-12 2012-10-18 Kaco New Energy Gmbh Inverter circuit, inverter and photovoltaic system
WO2013018411A1 (en) * 2011-07-29 2013-02-07 三洋電機株式会社 Motor drive circuit, motor device, and moving vehicle
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See also references of WO2015069238A1 *

Also Published As

Publication number Publication date
US10859623B2 (en) 2020-12-08
US20160245855A1 (en) 2016-08-25
EP3066481B1 (en) 2021-01-06
WO2015069238A1 (en) 2015-05-14
EP3066481A1 (en) 2016-09-14
CN105683765A (en) 2016-06-15
CN105683765B (en) 2019-06-07

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